<template>
  <!-- 主体部分 -->
  <section class="main">
    <input v-model="isAll" id="toggle-all" class="toggle-all" type="checkbox" />
    <label for="toggle-all">Mark all as complete</label>
    <ul class="todo-list">
      <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
      <li v-for="item in list" :key="item.id" :class="{completed:item.isDone}">
        <div class="view">
          <input @change="change(item.id)" class="toggle" type="checkbox" :checked="item.isDone" />
          <label>{{item.name}}</label>
          <button @click="del(item.id)" class="destroy"></button>
        </div>
      </li>
    </ul>
  </section>
</template>


<script>
export default {
  props:{
    list:{
      required:true,
      type:Array
    }
  },
  data() {
    return {

    }
  },
  methods: {
    del(id) {
      this.$emit('hdel',id)
    },
    change(id) {
      this.$emit('hchange',id)
    }
  },
  computed: {
    isAll:{
      get() {
        return this.list.every(item => item.isDone)
      },
      set(val) {
        this.$emit('changeall',val)
      }
    }
  },
};
</script>

<style>
</style>